diff --git a/src/Compilers/CSharp/Portable/Symbols/Source/SourceNamedTypeSymbol_Bases.cs b/src/Compilers/CSharp/Portable/Symbols/Source/SourceNamedTypeSymbol_Bases.cs
index a6b232d26e754..28621ebbe3da5 100644
--- a/src/Compilers/CSharp/Portable/Symbols/Source/SourceNamedTypeSymbol_Bases.cs
+++ b/src/Compilers/CSharp/Portable/Symbols/Source/SourceNamedTypeSymbol_Bases.cs
@@ -396,7 +396,6 @@ static bool containsOnlyOblivious(TypeSymbol type)
                     else
                     {
                         // Inconsistent accessibility: type '{1}' is less accessible than class '{0}'
-                        var lessVisibleTypeLocation = lessVisibleType.GetFirstLocation();
                         diagnostics.Add(ErrorCode.ERR_BadVisBaseType, baseTypeLocation, this, lessVisibleType);
                     }
                 }